Quiz Discussion

There are two examinations rooms A and B. If 10 students are sent from A to B, then the number of students in each room is the same. If 20 candidates are sent from B to A, then the number of students in A is double the number of students in B. The number of students in room A is:

• 1] 20
• 2] 80
• 3] 100
• 4] 200
• 5] None of these

Find the value of $\sqrt {248 + \sqrt {52 + \sqrt {144} } } = ?$

• 1]

  -16

• 2]

  $\pm 16$

• 3]

  16

• 4]

  16.2

If 12 + 22 + 32 + . . . . . + p2 = $\left[ {\frac{{{ \text{p}}\left( {{ \text{p}} + 1} \right)\left( {2{ \text{p}} + 1} \right)}}{6}} \right]{ \text{,}}$     then 12 + 32 + 52 + . . . . . + 172 is = ?

• 1] 969
• 2] 1785
• 3] 980
• 4] 1700

The value of $\frac{{\sqrt {80} - \sqrt {112} }}{{\sqrt {45} - \sqrt {63} }} = ?$

• 1]

  3/4

• 2]

  $1\frac{3}{4}$

• 3]

  $1\frac{1}{3}$

• 4]

  $1\frac{7}{9}$

The cost of 5 pendants and 8 chains is Rs. 145785. What would be the cost of 15 pendants and 24 chains ?

• 1] Rs. 325285
• 2] Rs. 439355
• 3] Rs. 550000
• 4] Cannot be determined
• 5] None of these